BELL GONG SHELL MOUNTING CONSTRUCTION
United States Patent 3424124
US Patent References:
Controlling device for burglar and fire alarms
- - 1798207
Spool
- - 2267126
Contact locating method
- - 2406281
Gong construction and mounting
- - 2646768
Plate with tab for retaining a unit lock in position on a door
- - 3241874
Controlling device for burglar and fire alarms
- - 1798207
Spool
- - 2267126
Contact locating method
- - 2406281
Gong construction and mounting
- - 2646768
Plate with tab for retaining a unit lock in position on a door
- - 3241874
Inventors:
Jenkins, Wendell L.
Publication Date:
01/28/1969
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Export Citation:
Assignee:
W L JENKINS CO THE
Primary Class:
Other Classes:
29/464, 116/148
International Classes:
G10K1/063; G10K1/00; G10K1/072; G10K1/06